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Character LCDs / Re: NHD-0420D3Z-NSW-BBW-V3 how to interface
« on: May 28, 2014, 08:32:29 AM »
Unfortunately my RS232 signal is 0V- 3.3V!
So i have to use SPI or I2C and place a jumper on R2 or R1??
So i have to use SPI or I2C and place a jumper on R2 or R1??